package mcjunkin;

public class Lib{

	//helper to format file size into KB/MB/TB
	// http://stackoverflow.com/questions/3263892/format-file-size-as-mb-gb-etc
	public static String readableFileSize(long size) {
		if(size <= 0) return "0";
		final String[] units = new String[] { "", "KB", "MB", "GB", "TB" };
		int digitGroups = (int) (Math.log10(size)/Math.log10(1024));
		return new java.text.DecimalFormat("#,##0.#").format(size/
			Math.pow(1024, digitGroups)) + "" + units[digitGroups];
	}

}
